Electrical ringing of bells for submarine signaling.



.PA-TENTED NOV. 17, 1903.

E- A ELECTRICAL RINGING 0P BELLS FOR SUBMARINE SIGNAL IN G.

APPLICATION FILED DEC. 24, 1900. N0 MODEL.

3 SHEETS-SHEET 1.

WWNESEES:

$10,744,336: PATEN TEDNOV.17,1903.

E. GRAY. ELECTRICAL RINGING OF BELLS FOR SUBMARINE SIGNALING.

APPLICATION FILED DE(1.24, 1900.

N0 MODEL. 3 SHEETS-SHEET 2.

Wnplassrzs L No. 744,336. PATENTED NOV. 17, 1903.

E. GRAY.

ELECTRICAL RINGING 0F BELLS FOR SUBMARINE SIGNALING.

APPLICATION FILED 1330.24, 1900.

NO MODEL 3 SHEETSSHEET 8.

MNTTEED. S A ES i atented Llovember 1 7, 1903.

" PAT NT @rrrcn.

IELISHA GRAY, or HIGHLAND PAR ILLINO S, ASSIGNOR, BY MESNE ASSIGNMENTS,TO SUBMARINE SIGNALCOMPANY, A CORPORATION or MAINE.

ELECTRICAL RINGING 0 BELL-S FOR SUBMARlNE SlGNALlN G.

SPECIFICATION forming part of Letters Patent No. 744,336, dated November17, 1903. Application filed December 24, 1900. Serial No. 40,888. (Nomodel.)

To all whom it may concern:

Be it known that I, ELISHA GRAY, a citizen of the United States, and aresident of High.- 1

land Park, in the county of Lake and State of Illinois, have invented anew and useful cation, in explaining its nature.

The invention relates to an improvement in the electrical ringing ofbells for subma-' rine signaling.

Heretofore all attempts to ring submerged bells by the direct blow of ahammer electrically actuated have been undertaken by in closing thewhole apparatus, :including the bell and the hammer actuating mechanism,in an air-tight i-nclosure, so that the sound or vibrations of the bellwere first communicated to the.airenvelop, thence to the inclosingmedium, and then to the water surrounding it. This method of producingsound vibrationsso deadened them that very little impulse, if any, getsinto the water, and the device is practically of little or no use forsubmarine signaling.

By my improvement the bell and bell-hammer are divested of covering ofthis character and are submerged in the water and in direct contact uponall sideswith it, while the electrical operating mechanism for actuatingthe hammer is entirely contained within an air-tight chamber, which mayalso be submerged with the bell.

I will now describe my invention in detail in connection with thedrawings, wherein- Figure 1 is a general view of the bell and itsactuating mechanism. Fig. 2 is a plan or top view of the rocker whichcarries the laminated armatures that are actuated by the electromagnets.Fig. 3 is a detached view of that part of the air-tight box where theinner and outer mechani'smof the striking-hammer unite, also Showing themanner of sealing the outer moving from the inner moving parts and themeans. for clamping the air tight chamber with the hammer-unitingmechan- ,ism attached thereto to the .bell. Fig. 4 is a View showing amodification to which reference is hereinafter made. p

A is a bell which in Fig. 1 iS represented in cross-section.

B is a circular drum with sealed top and bottom ends, forming a waterand air tight chamben;

O is the bell-hammer, which is actuated by I the magnets D E and D E,which are mount- .ed in the chamber of the drum.

7 F is'a cast-iron rocker. (Shown in plan in iFig. 2;) It has trunnionsf, mounted in the bearings G G. Glamped within the frame of the rockerare four laminated armatures H I gand H I. These laminations are laidto- ;gether so that their edges form-the faces of gthe armatures thatare presented to the poles of the magnets. There are four magnets, thepoles of.which present themselves to the armatures and which facedownward over the upward faces of the armatures in the position Shown inFig. 1.

Fastened to the center of the rocker F and extending downward at rightangles to it is an arm or lever K, having a forked lower end L, whichengages with a roller M (See Fig. 3) on the end of a short arm N, whichis fastened to a shaft 0, having a bearing in the air-tight box P,located within the bell. The chamber of this inner box P communicateswith the chamber of the .drum B through the hole in a tube Q. The tubeis threaded at both ends. The lower end is screwed firmly into the lowerbox, while the upper end passes upward through the crown of the bell andthrough the plate R, which forms the lower end of the drum B. The bellis seated 'inside to receive the upper end of the box P. A heavy nut Sis screwed onto the upper end of the tube Q down upon the plate R toclamp the" upper drum and lower box together and.

* straddles the roller'M on the end of the short lever-N on therock-shaft O. Secured to the outer ends of .therockshaft are two down-.

, The lower ends'of these arms meet at a point directly under the centerof the lower box P ward-extending inwardly-bent arms T T.

and are there secured to the bell-hammer arm U, which carries at itslower end the hammer O.

Instead of packing the rock-shaft O to prevent water passing into thechamber of the box P, which would cause too much friction,

the following manner of packing may be used: V V are rubber tubes. 1

W W are sleeves screwed into the sides of the box P. In these sleeves orjournals the rock-shaft 0' turns loosely. It also passes through thelever N, which is rigidly secured to it. Sleeves X X are now forced uponthe ends of the rock-shaft and the air-tight rubber tubes V V areslipped onto each end of the shaft and wired tightly at each end to thesleeves IV W and X X. W'hen the bellhammer 0 moves, there will be atorsional strain putupon the-rubber tubes, according to the direction inwhich the hammer moves.

The hammer and the arm U that carries it are so shaped as to cutthroughthe water I with least resistance.

The rocker F may be used in teamsthat is,

' one or more carrying armatures may be connected with it to besimultaneously operated by magnets in the manner herein indicated and inFig. II have represented the use of a second rocker F with armatures andoperatingmagnets supported upon trunnions within the chamber of the drumand connected with the rocker F by four connecting rods, one of which(lettered 1)is. shown as well as a portion of the other, (lettered 2.)The other twoare behind the magnets. The group of magnets E'E areconnected electrically and when charged act 'conjoin'tly upon thearmatures of both rockers, and the bell-hamm er is thrown with greatforce against the bell in the direction of the arrow. The group ofmagnets D Dactsimilarly. If now the group E E is deenergized and thegroup D D energized, the hammer will ,bethrown as forcibly against; thebell,

The wire 3 is common to both groups; of magnets and is connected to onepole of the source-0f elec-' but in the opposite direction.

trical power. .The wire l'is connected to the group E E, andwire 5 isconnectedto the group D D.' By means of a switch'or comv.mutator thatmay be Worked either'by hand or automatically the other pole cranebattery.

or source. of electrical; power may be thrownfrom one group of magnetsto the other, causing strokes of the bell in any predetermined order.

I do not confine myself in the employment of this apparatus to the useof a conventional v form of hell, but may apply it to striking any=sonorous substance whatever.

It will be understood that the apparatus, is

1 adapted to be submerged in Water to any deto the bell the blow of thehammer.

caused by passing through any intermediate medium of a differentnature.

the bell and to which chamber there are secured metal transmitterstoreceive the blow to the bell, the transmitters being held rebell, fromwhich they recede after delivering U is the water-tight case for thebell-hammer. It is suspended from the lower box P, into which sectionsto fit upon cylindrical extensions ,of the case, to which they arefastened. The transmitters are held adjacent to the bell, so

mit itsforceto thesurface of the bell, but

are immediately returned from the surface of the bell, this having beendone.

Having thus fullydescribed my invention,

ent of the United States 1. As a means for producing in watersoundwavesignalsof high power for long-distance,

bell of large initial sound-producing capacity, a submerged hammer forpowerfully striking submerged electric. motor of large forceto actuatethe'ha'mmer in operative relation to the contact with the water.

' 2. As a means for producing in water soundwave signals of high powerfor long-distance, submarine;wireless telephony, 'a submerged bell oflarge initial sound-producing capacity, a submerged hammer forpowerfully striking the bell, each stroke of which is controlled, asubmerged electric meter of large force to actuate-the hammer inoperative relation to the bell and hammer, the bell being in actualcontact with the water and the motor being contained in a submergedwater-tight chamber.

the Water, so that the initial vibration is com- I municated directly tothe water without loss it opens. It maybe made of metal or any; 1

Iclaim and desire to secure by Letters Patsubmarine,wirelessltelep'hony, a submerged I the'bell, each stroke of which iscontrolled, a

bell and hammer, the bell being in actual In Fig. 41 hav'e.shown thehammer inclosed in a watertight chamber contained within of thebell-hammer andtransmit its impulses siliently close to the bell and sothat the force of the ham1ner-blow drives them against-the preferably ofrubber, and have cylindrical I that'when struck by the hammerthey trans-As a means forproducingin water sound- 1 wave signals of high power forlong-distance, submarine, Wireless telephony, a submerged bell of largeinitial so and-producing capacity, in actual contact with the Water, asubmerged hammer for powerfully striking the bell, each stroke of whichis controlled, an electric motor of large forceto actuate the hammer,said motor held submerged-in operative relation to the bell and thehammer, a source of electric energy and a means for controllingitsconnection with the motor located upon shore or at a distance from thesubmerged motor. 1

and bell and electric 'conductors connectin the said source of electricenergy and means. for controlling it with the submergedmotor.

4; Ina system of long-distance, submarine, wireless telephony, a meansfor producing in Water sound-signals of high power comprising asubmerged bell of large in itial sound-producing capacity, a submergedhammer for power-- soundgproducing-device and a submerged soundreceiving and transmitting instrumentalityt, a means for producinginwater sound-signals of high power comprising a submerged bell of largeinitial sound-producin ca acit a submer ed hammer for owerfully strikingthe bell, each stroke of which is controlled, an electric motor of largeforce to actuate the hammer held submerged in operative relation to thebell and hammer, a

. source of electric energy and means-for controlling its connectionwith the submerged motor, both means being on shore or at a distancefrom the motor.

6. The submerged means for ringing a bell consisting of a series ofmagnets adapted to bealternately energized, alever having at each end anarmature alternately attracted by the magnets, a rock-lever operated bythe armature, a rock-shaft actuated by the rock-I lever andthe'bell-hammer carried by the rock-shaft to be bell.

. "7. The combination of-a submerged watertight case, a tandemarrangement of lever actuating magnets contained therein and alternatelyactuated in groups, an armaturelever'for each-group coupled togetherand; v

' one of which is directly connected With the bell-hammer of a bell totransfer-its move j'osoillated thereby and the.

ment thereto, the said bell-hammer and the bell.

' 8. The combination of a-submerged watertight case, electromagnetscontained in said case, anarmature-lever actuated by said mag nets, anda connection contained in an airtlghliGXliBllSlOll of the case toactuate a submerged, unprotected bell-hammer and said .bell hammermaking connection with the actuat-ing means through Water-tight joints,and 7a the bell.

9. The combination of the submerged,

water-tight case, electric devices contained .in the case for actuatinga lever therein, said lever and a bell attached to the case, awatertight chamber in the bell, a connection between it and thewater-tight case through the crown of the bell, an actuating means insaid water-tight chamber connected with a bellhammer in operativerelation to the bell,

means connecting said bell-hammer-actuating device with the lever in thecase.

I 10. A bell-in contact with thewater adapted to impart, when rung,vibrations thereto and means for ringing it, the actuating'mechanism ofwhich is contained in a submerged watertight chamber. v

11 The combinationof a bell in physical contact with the water adaptedtoimpart its vibrations, .yvhen rung, directly thereto,-elec- 9o tricaldevices for ringing the bell and a submerged water-tight'case-forholding said devices in submerge'd relation to the bell.

12. In the art of submarine Wireless transmission of intelligence, asubmerged trans- 5 mitter comprising a bell or similar device forimpellin g sound-waves through the inclosing medium, and meansforactuating said impelling means, saidyactuating means being *flexible inaction so as to operate the impel- 'roo ling means in avariety of ways.

-13. In the art of submarine wireless transmission of intelligence,transmitting means consisting of a sound-producing device submerged incombination with selective jim- 05 pulse receiving and actuating meansfor sounding said device. 14. In the art of wireless submarinetransmission of intelligence, submerged transmit ting means consistingof a sound-producing :0

device in combination with means for actuatingthe same, andfa sealedcasinginclosim such actuatingm'eans andadapted to protect the sameagainst the-action'of the elementsduring submersion.

ELISHA G RAlZ.

Witnesses:

- F. F. RAYMonD, 2d,

Jr M. DOLAN.

